2019563814 has 16 divisors (see below), whose sum is σ = 4137643440. Its totient is φ = 656768640.

The previous prime is 2019563813. The next prime is 2019563879. The reversal of 2019563814 is 4183659102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019563813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4104559 + ... + 4105050.

It is an arithmetic number, because the mean of its divisors is an integer number (258602715).

Almost surely, 2^2019563814 is an apocalyptic number.

2019563814 is an abundant number, since it is smaller than the sum of its proper divisors (2118079626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2019563814 is a wasteful number, since it uses less digits than its factorization.

2019563814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209655.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2019563814 is about 44939.5573409441. The cubic root of 2019563814 is about 1264.0158705713.

The spelling of 2019563814 in words is "two billion, nineteen million, five hundred sixty-three thousand, eight hundred fourteen".